Container closure



FIG. 1 is a top plan view of a container closure showing our new design;

FIG. 2 is a front elevational view thereof; the broken lines representing a container for illustrative purposes only and forming no part of the claimed design, and the rear elevational view, the right side elevational view and the left side elevational view being the same as the front elevational view; and,

FIG. 3 is a perspective view taken from the front, top and right side of the container closure.

The bottom and interior of the container closure forms no part of the claimed design. 

The ornamental design for a container closure, as shown and described. 